Fixed database to account for hashes when reading install records

lib/spack/spack/database.py

@@ -203,6 +203,10 @@ def _read_spec_from_yaml(self, hash_key, installs, parent_key=None):
 
         spec_dict = installs[hash_key]['spec']
 
+        # Install records don't include hash with spec, so we add it in here
+        # to ensure it is read properly.
+        spec_dict['hash'] = hash_key
+
         # Build spec from dict first.
         spec = Spec.from_node_dict(spec_dict)
 

lib/spack/spack/spec.py

@@ -755,7 +755,8 @@ def dag_hash(self, length=None):
         """
         Return a hash of the entire spec DAG, including connectivity.
         """
-        if self.hash:
+        print self, "++"
+        if getattr(self, 'hash', None):
             return self.hash
         else:
             yaml_text = yaml.dump(
@@ -787,6 +788,7 @@ def to_node_dict(self):
         else:
             d['compiler'] = None
         d.update(self.versions.to_dict())
+
         return { self.name : d }
 
 
@@ -810,6 +812,9 @@ def from_node_dict(node):
         spec.versions = VersionList.from_dict(node)
         spec.architecture = node['arch']
 
+        if 'hash' in node:
+            spec.hash = node['hash']
+
         if node['compiler'] is None:
             spec.compiler = None
         else:
@@ -2121,6 +2126,8 @@ def spec(self, name, check_valid_token = False):
         if spec_name != '':
             self.check_identifier(spec_name)
 
+        print spec_name, "++"
+
         # This will init the spec without calling __init__.
         spec = Spec.__new__(Spec)
         spec.name = spec_name